Radio Receivers - Engineering

Q1:

In a broadcast superheterodynes receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 100. If the intermediate frequency is 455 kHz. In receivers operating upto the limit of shortwave broadcasting the local oscillator often used is

A Armstrong oscillator

B Colpitts oscillator

C Clapp oscillator

D Ultra Audio oscillator

ANS:A - Armstrong oscillator

No answer description is available.